I'll mark brainliest please help

The food that animals eat can be transformed into usable energy for cells or can be used to build new cells, which form tissues like skin and muscle. ... The process of growth involves eating food, breaking down food through digestion, absorbing nutrients from food, and building tissue.

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those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.